Radeon HD 4870 vs Radeon HD 7990

If you are going to buy a new graphics card and are choosing between Radeon HD 4870 and Radeon HD 7990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 4870 stacks up against Radeon HD 7990, check out specs charts below.

Radeon HD 4870 Check Price

Radeon HD 7990 Check Price

Main Specs

	Radeon HD 4870	Radeon HD 7990
Power consumption (TDP)	150 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 6-pin	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	3 GB
Display Connectors	2x DVI, 1x S-Video	1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 150% more power consumption, than Radeon HD 4870.
Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 2 GB more memory, than Radeon HD 4870.
Both cards are used in Desktops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 200 MHz higher, than Radeon HD 4870.
Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Radeon HD 7990 is 57 mm longer, than Radeon HD 4870.
Memory clock speed of Radeon HD 7990 is 2400 MHz higher, than Radeon HD 4870.

Game benchmarks


high / 1080p	3−4	35−40
ultra / 1080p	1−2	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	14−16	60−65
medium / 1080p	6−7	40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 583% more, than Radeon HD 4870.
high / 1080p	8−9	55−60
ultra / 1080p	6−7	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	21−24	100−110
medium / 1080p	9−10	60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 518% more, than Radeon HD 4870.
low / 768p	45−50	50−55
high / 1080p	40−45	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon HD 4870.
low / 768p	120−130	250−260
medium / 768p	100−110	220−230
ultra / 1080p	45−50	180−190
QHD / 1440p	24−27	110−120
4K / 2160p	−	70−75
high / 768p	75−80	210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 161% more, than Radeon HD 4870.
low / 768p	70−75	60−65
ultra / 1080p	21−24	−
medium / 1080p	40−45	55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 5% more, than Radeon HD 4870.
low / 768p	75−80	120−130
medium / 768p	55−60	110−120
ultra / 1080p	30−35	100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 109% more, than Radeon HD 4870.
high / 1080p	4−5	45−50
ultra / 1080p	4−5	40−45
QHD / 1440p	−	27−30
4K / 2160p	1−2	14−16
low / 720p	14−16	80−85
medium / 1080p	6−7	45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 683% more, than Radeon HD 4870.
high / 1080p	12−14	60−65
ultra / 1080p	7−8	45−50
QHD / 1440p	4−5	27−30
4K / 2160p	−	27−30
low / 720p	60−65	180−190
medium / 1080p	18−20	110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 314% more, than Radeon HD 4870.
high / 1080p	7−8	60−65
ultra / 1080p	7−8	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	21−24	100−110
medium / 1080p	10−11	65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 483% more, than Radeon HD 4870.
low / 768p	50−55	140−150
medium / 768p	−	120−130
high / 1080p	10−11	70−75
ultra / 1080p	4−5	30−35
QHD / 1440p	0−1	21−24
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 277% more, than Radeon HD 4870.
high / 1080p	2−3	24−27
ultra / 1080p	0−1	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	9−10	65−70
medium / 1080p	4−5	30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 720% more, than Radeon HD 4870.
low / 768p	85−90	130−140
high / 1080p	70−75	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 55% more, than Radeon HD 4870.
ultra / 1080p	12−14	14−16
low / 720p	30−35	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 4870.
high / 1080p	7−8	24−27
ultra / 1080p	4−5	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	8−9	65−70
medium / 1080p	8−9	35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 414% more, than Radeon HD 4870.
low / 768p	18−20	130−140
medium / 768p	12−14	85−90
high / 1080p	7−8	45−50
ultra / 1080p	5−6	24−27
4K / 2160p	1−2	16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 4870.
low / 768p	75−80	90−95
medium / 768p	40−45	60−65
ultra / 1080p	18−20	50−55
high / 768p	30−35	60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 59% more, than Radeon HD 4870.

Full Specs

	Radeon HD 4870	Radeon HD 7990
Architecture	TeraScale	GCN 1.0
Code name	RV770	Malta
Type	Desktop	Desktop
Release date	25 June 2008	24 April 2013
Pipelines	800	2048
Core clock speed	750 MHz	950 MHz
Boost Clock		1000 MHz
Transistor count	956 million	4,313 million
Manufacturing process technology	55 nm	28 nm
Texture fill rate	30.00	128.0
Floating-point performance	1,200.0 gflops	2x 4,096 gflops
Length	250 mm	307 mm
Memory bus width	256 Bit	384 Bit
Memory clock speed	3600 MHz	6000 MHz
Memory bandwidth	115.2 GB/s	288.0 GB/s
DirectX	10.1 (10_1)	12 (11_1)
Shader Model	4.1	5.1
OpenGL	3.3	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.2.131
Bitcoin / BTC (SHA256)		459 Mh/s
Ethereum / ETH (DaggerHashimoto)		44 Mh/s
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Radeon HD 4870 vs Radeon HD 7990

Main Specs

Game benchmarks

Full Specs

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